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E46 (1999 - 2006) The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

I've been working on putting my car back together after replacing the OC but have stopped becasue the small hose coming off the f connector I don't remember where it goes? I don't remember removing it. THe original broke when trying to pull it from the connector. Please help want to finish this PITA job.